i don't beileve so. do a search in the 450 forum for stuff like
parts swap
400ex parts
interchange
these should bring up something to help
04 - TRX450R
Red with black frame and wheels
Pro-Tect Stainless swinger skid, grab bar, bumper
PRM belly and a-arm skids
14/39 Gearing - Sidewinder Ti-moly
HMF Ballance Pro
GT Thunder link & revalve
Hotcam Stage 2
Trail Tech weighted flywheel
Fasst Flexx bars
Trail tech mount
ASV clutch w/ Works hot start add on
Hiper wheels
Holeshot HD's
Thanks Merrill-Stone Racing